.Login-form-box{
    width: 100%;
    height: 100%;
    background: url('https://img-qn-4.51miz.com/preview/element/00/01/16/46/E-1164673-101AA47B.jpg!/quality/90/unsharp/true/compress/true/format/jpg/fh/230') no-repeat center center /100% 100% ;
    overflow: hidden;
    display: flex;
    justify-content: flex-end;
}
.Login-form{
    width: 400px;
    margin-right: 200px;
    margin-top: 250px;
    display: flex;
    flex-direction: column;
    text-align: center;
    color: #fff;
}